Home / 10,516.80-14,513.44-5,801.20

Finding the Fourth Proportional to 10,516.80, 14,513.44 and 5,801.20

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Solution

The fourth proportional to 10,516.80, 14,513.44 and 5,801.20 is: 8,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.80 : 14,513.44 = 5,801.20 : x
  2. Step 2: Convert to fraction form
    10,516.80/14,513.44 = 5,801.20/x
  3. Step 3: Cross multiply
    10,516.80x = 14,513.44 × 5,801.20
  4. Step 4: Simplify right side
    10,516.80x = 84,195,368.13
  5. Step 5: Solve for x
    x = 84,195,368.13/10,516.80
  6. Step 6: Final answer
    x = 8,005.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.